does the brand "DIY4X" help the pinion angle like virginia's does ....theres slighlty turns the pinion upwards ?????
We do not address pinion angle in the hanger. Simply put, I don't know what your pinion angle is. Nor do I know where the caster angle is. When you change one you change the other. Unless you go into some serious surgery its just the way it is.
none of the metal is bent into shape because it is A36 hot rolled steel plate. It is cut with a waterjet
No reason you can't bend A36 hot rolled steel plate. We do it all day everyday. Nothing special about A36. IMHO, those don't look like waterjet cuts. If they are the edges are rough. They look exactly like the edges on our plasma cut parts. Just throwing that out there for posterity sake. I don't know how the parts were cut, none of my biz. I'm only mentioning it because its brought up as an issue here.
I noticed the D'4x4 had a backing plate with it, and the V'4x4 did not require it. That combined with the bends in the D'4x pruduct tells me the steel is probably inferior to the V'4x4 product. I also like the fact there is no HAZ with cuts made by a waterjet as opposed to laser or plasma cutting.
Yep, we use what we call a "nut strip." It simply spreads the load over more area. As a bonus, it makes installation simpler at the same time. Rather than having to hold a wrench on the inside nut, all you need to do is start all the fasteners into the strip and hit it with a impact, butterfly, air ratchet, pick a weapon and done. The smaller teardrops work the same way, these spin till the catch the frame wall and then tighten down. Anybody that's used them this way will tell you how handy it is.
The perches I just put on are stronger than the frame to which I attached them. They are almost twice as thick as the 1-ton frame's steel. The truck I am working on is an Alabama national Guard truck, so it had only minor surface rust, but if those mounts were toast, I suppose you'd have a point in that the D'4x kits come with new mounts. Since the main force on the V'4x kit is almost nothing against the bolts, very little shear, and no tensile, the mounting system is better than the D'4x kits as they will experience a lot of shear force with the side rivets being replaced with bolts. If you look at the head of one of those rivets, you'll see the "nut plate" is not needed to help the frame out. Flat washers will provide more surface area than the original rivets. See what I mean?
Our B52 kit has a flange that rides under the frame. This removes the risk of shearing bolts. We are not just hanging the bracket on the side of the frame.
In my experience, after 20 plus years, the rivets are generally on their way out anyhow. Get 'em out while the gettings good.
If a flat washer will provide more area than the rivet, I'll guarantee you the nut strip provides more area than the flat washer. With a top lock pinch nut, you're good to go.
Don't care what you all say, Kert"s a poopie head!
Now that was just mean!

I could swore I was a good guy at the beginning of this thread.
In all seriousness, if i've missed a question or conern, post it up. I'll answer.